igprepost_centile2value: Convert postnatal growth measurements for preterm infants to...

View source: R/standard_igprepost.R

igprepost_centile2valueR Documentation

Convert postnatal growth measurements for preterm infants to INTERGROWTH z-scores/centiles (generic)

Description

Convert postnatal growth measurements for preterm infants to INTERGROWTH z-scores/centiles (generic)

Usage

igprepost_centile2value(pmagedays, p = 50, var = "lencm", sex = "Female")

Arguments

pmagedays

postmenstrual age in days

p

centile(s) to convert (must be between 0 and 100)

var

the name of the measurement to convert ("lencm", "wtkg", "hcircm")

sex

"Male" or "Female"

References

Postnatal growth standards for preterm infants: the Preterm Postnatal Follow-up Study of the INTERGROWTH-21st Project. Villar J, Giuliani F, Bhutta ZA, et al. Lancet Glob Health 2015; 3: e681–91.

Examples

# get median wtkg of Females from 27 to 64 weeks postmenstrual age
igprepost_centile2value(27:64 * 7, 50, var = "wtkg", sex = "Female")

HBGDki/growthstandards documentation built on Jan. 14, 2024, 4:03 a.m.